Question

Use ______________ to represent an irrational number on number line.

• A. Isosceles-angle theorem
• B. Scalene angle theorem
• C. Right-angled theorem
• D. None of the above

Answer 1

The correct option is C Right-angled theorem

Using the Pythagoras Theorem, we can represent some irrational numbers, which are surds, on a number line.

Since it involves Pythagoras Theorem, we get to use Right Angle Theorem.